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MAX5965A - PSE Controllers

Description

The MAX5965A/MAX5965B are quad, monolithic, -48V power controllers designed for use in IEEE® 802.3af-compliant/pre-IEEE 802.3at-compatible power-sourcing equipment (PSE).

Features

  • The MAX5965A/MAX5965B feature a high-power mode that provides up to 45W per port. The MAX5965A/ MAX5965B provide new Class 5 and 2-event classification (Class 6) for detection and classification of highpower PDs. The MAX5965A/MAX5965B provide instantaneous readout of each port current through the I2C interface. The MAX5965A/MAX5965B also provide high-capacitance detection for legacy PDs. These devices feature an I2C-compatible, 3-wire serial interface, and are fully software configurable and pr.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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19-4593; Rev 0; 7/09 High-Power, Quad, Monolithic, PSE Controllers for Power over Ethernet General Description The MAX5965A/MAX5965B are quad, monolithic, -48V power controllers designed for use in IEEE® 802.3af-compliant/pre-IEEE 802.3at-compatible power-sourcing equipment (PSE). These devices provide powered device (PD) discovery, classification, current limit, DC and AC load disconnect detections in compliance with the IEEE 802.3af standard. The MAX5965A/MAX5965B are pin compatible with the MAX5952/MAX5945/LTC4258/LTC4259A PSE controllers and provide additional features. The MAX5965A/MAX5965B feature a high-power mode that provides up to 45W per port. The MAX5965A/ MAX5965B provide new Class 5 and 2-event classification (Class 6) for detection and classification of highpower PDs.
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